CN109483030B - Preparation method of TC4 titanium alloy consumable electrode rod - Google Patents
Preparation method of TC4 titanium alloy consumable electrode rod Download PDFInfo
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- CN109483030B CN109483030B CN201811496146.4A CN201811496146A CN109483030B CN 109483030 B CN109483030 B CN 109483030B CN 201811496146 A CN201811496146 A CN 201811496146A CN 109483030 B CN109483030 B CN 109483030B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The application discloses a preparation method of a TC4 titanium alloy consumable electrode rod, which comprises the following steps: step S1: pressing a stacking electrode bar; step S2: carrying out vacuum plasma welding on the electrode rod, wherein welding seams are positioned on the outer surface of the electrode rod, the extending direction of the welding seams is parallel to the axial direction of the electrode rod, and the number of the welding seams is at least five; step S3: and cooling the electrode bar, discharging from the furnace and demoulding. According to the preparation method of the TC4 titanium alloy consumable electrode rod, the direction of the welding line is adjusted from the circumferential welding line in the prior art to the longitudinal welding line, so that the consumable electrode is effectively prevented from being oxidized, cracked and bent easily, the quality of the consumable electrode is effectively guaranteed, and the smelting quality is improved.
Description
Technical Field
The application relates to the field of electrode bar preparation methods, in particular to a preparation method of a TC4 titanium alloy consumable electrode bar.
Background
With the quality demand of high-quality titanium alloy and the development of the technology for preparing titanium alloy electrodes, the welding mode for preparing the electrodes is developed from argon shielded welding to vacuum plasma welding, and the length of the electrodes is increased from 2m to 5 m.
When the old process is adopted to process the electrode, the defects of tungsten inclusion, oxidation and the like are easy to occur, and when the new process is improperly operated, the defects of welding cracking, electrode bar bending and the like are easy to cause.
Therefore, how to effectively improve the welding quality of the titanium alloy consumable electrode rod and ensure a good use effect is a technical problem to be solved by technical personnel in the field at present.
Content of application
The purpose of the application is to provide a preparation method of a TC4 titanium alloy consumable electrode rod, which is used for ensuring that the consumable electrode is not easy to oxidize, crack and bend, effectively improving the quality of the consumable electrode and improving the smelting quality.
In order to achieve the above purpose, the present application provides the following technical solutions:
a preparation method of a TC4 titanium alloy consumable electrode bar comprises the following steps:
step S1: pressing a stacking electrode bar;
step S2: carrying out vacuum plasma welding on the electrode rod, wherein welding seams are positioned on the outer surface of the electrode rod, the extending direction of the welding seams is parallel to the axial direction of the electrode rod, and the number of the welding seams is at least five;
step S3: and cooling the electrode bar, discharging from the furnace and demoulding.
Preferably, in the step S2, the welding speed is 100-300 mm/min, the welding current is 300-600A, and the welding voltage is 40-70V.
Preferably, in the step S1, the diameter of the electrode rod is phi 450 to 820 mm.
Preferably, in step S3, the electrode rod is cooled in a vacuum furnace for 1 hour or more and then discharged.
Preferably, in step S2, the welding seams include a first welding seam, a second welding seam, a third welding seam, a fourth welding seam, a fifth welding seam, and a sixth welding seam that are sequentially arranged along the circumferential direction of the electrode rod, and the welding seams are uniformly distributed along the circumferential direction of the electrode rod.
Preferably, in step S2, the first weld, the fourth weld, the third weld, the sixth weld, the second weld, and the fifth weld are welded in sequence, or the first weld, the fourth weld, the fifth weld, the second weld, the sixth weld, and the third weld are welded in sequence.
The preparation method of the TC4 titanium alloy consumable electrode rod provided by the application comprises the following steps: step S1: pressing a stacking electrode bar; step S2: carrying out vacuum plasma welding on the electrode rod, wherein welding seams are positioned on the outer surface of the electrode rod, the extending direction of the welding seams is parallel to the axial direction of the electrode rod, and the number of the welding seams is at least five; step S3: and cooling the electrode bar, discharging from the furnace and demoulding. According to the preparation method of the TC4 titanium alloy consumable electrode rod, the direction of the welding line is adjusted from the circumferential welding line in the prior art to the longitudinal welding line, so that the consumable electrode is effectively ensured not to be oxidized, cracked and bent easily, the quality of the consumable electrode is effectively ensured, and the smelting quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of one embodiment of a method for making a consumable electrode bar of TC4 titanium alloy provided herein;
FIG. 2 is a schematic cross-sectional view of a TC4 titanium alloy consumable electrode rod provided herein;
wherein: 1-first weld, 2-second weld, 3-third weld, 4-fourth weld, 5-fifth weld, 6-sixth weld.
Detailed Description
The core of the application is to provide a preparation method of the TC4 titanium alloy consumable electrode rod, which is used for ensuring that the consumable electrode is not easy to oxidize, crack and bend, effectively improving the quality of the consumable electrode and improving the smelting quality.
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.
Referring to fig. 1 and 2, fig. 1 is a flow chart of an embodiment of a method for manufacturing a TC4 titanium alloy consumable electrode rod provided in the present application; fig. 2 is a schematic cross-sectional view of a TC4 titanium alloy consumable electrode rod provided herein.
In this embodiment, the method for preparing the TC4 titanium alloy consumable electrode rod comprises the following steps:
step S1: pressing a stacking electrode bar;
step S2: carrying out vacuum plasma welding on the electrode rod, wherein the welding seams are positioned on the outer surface of the electrode rod, the extending direction of the welding seams is parallel to the axial direction of the electrode rod, and the number of the welding seams is at least five;
step S3: cooling the electrode bar, discharging from the furnace and demoulding.
According to the preparation method of the TC4 titanium alloy consumable electrode rod, the direction of the welding line is adjusted from the circumferential welding line in the prior art to the longitudinal welding line, so that the consumable electrode is effectively ensured not to be oxidized, cracked and bent easily, the quality of the consumable electrode is effectively ensured, and the smelting quality is improved.
In addition to the above embodiments, in step S2, the welding speed is 100 to 300mm/min, the welding current is 300 to 600A, and the welding voltage is 40 to 70V.
In addition to the above embodiments, in step S1, the diameter of the electrode rod is Φ 450 to 820 mm.
In addition to the above embodiments, in step S3, the electrode rod is cooled in the vacuum furnace for 1 hour or more and then discharged.
On the basis of the above embodiments, in step S2, the welds include the first weld 1, the second weld 2, the third weld 3, the fourth weld 4, the fifth weld 5, and the sixth weld 6 that are arranged in sequence in the circumferential direction of the electrode rod, and the welds are uniformly distributed in the circumferential direction of the electrode rod.
In addition to the above embodiments, in step S2, the first weld 1, the fourth weld 4, the third weld 3, the sixth weld 6, the second weld 2, and the fifth weld 5 are welded in sequence, or the first weld 1, the fourth weld 4, the fifth weld 5, the second weld 2, the sixth weld 6, and the third weld 3 are welded in sequence.
Example 1
The preparation method of the TC4 titanium alloy consumable electrode rod comprises the following steps:
step S1: pressing a stacking electrode bar;
pressing a stacking electrode rod, the diameter of the electrode rod: phi 460 mm;
step S2: vacuum plasma welding;
welding speed: 120-250 mm/min;
welding parameters are as follows: welding current is 350-500A, and welding voltage is 45-60V;
the welding mode is as follows: 6 longitudinal welding seams are welded in sequence, namely a first welding seam 1, a fourth welding seam 4, a third welding seam 3, a sixth welding seam 6, a second welding seam 2 and a fifth welding seam 5, or the first welding seam 1, the fourth welding seam 4, the fifth welding seam 5, the second welding seam 2, the sixth welding seam 6 and the third welding seam 3;
step S3: cooling, discharging and demoulding;
after welding, the furnace is cooled for 1.5h, and then the steel plate is discharged after being broken.
Example 2
The preparation method of the TC4 titanium alloy consumable electrode rod comprises the following steps:
step S1: pressing a stacking electrode bar;
pressing a stacking electrode rod, the diameter of the electrode rod: phi 660 mm;
step S2: vacuum plasma welding;
welding speed: 100-200 mm/min;
welding parameters are as follows: the welding current is 400-600A, and the welding voltage is 40-60V;
the welding mode is as follows: 6 longitudinal welding seams are welded in sequence, namely a first welding seam 1, a fourth welding seam 4, a third welding seam 3, a sixth welding seam 6, a second welding seam 2 and a fifth welding seam 5, or the first welding seam 1, the fourth welding seam 4, the fifth welding seam 5, the second welding seam 2, the sixth welding seam 6 and the third welding seam 3;
step S3: cooling, discharging and demoulding;
after welding, the furnace is cooled for 2 hours, and then the steel plate is discharged after being broken.
The TC4 titanium alloy consumable electrode rod prepared by the preparation method of the TC4 titanium alloy consumable electrode rod has small curvature and few welding cracks; the method is simple to operate, and welding internal stress is reduced and the quality of the electrode rod is improved by controlling welding parameters.
The preparation method of the TC4 titanium alloy consumable electrode rod provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (4)
1. A preparation method of a TC4 titanium alloy consumable electrode bar is characterized by comprising the following steps:
step S1: pressing a stacking electrode bar;
step S2: carrying out vacuum plasma welding on the electrode rod, wherein welding seams are positioned on the outer surface of the electrode rod, the extending direction of the welding seams is parallel to the axial direction of the electrode rod, and the number of the welding seams is at least five;
step S3: cooling the electrode bar, discharging from the furnace and demoulding;
in the step S2, the welding seams include a first welding seam (1), a second welding seam (2), a third welding seam (3), a fourth welding seam (4), a fifth welding seam (5) and a sixth welding seam (6) which are sequentially arranged along the circumferential direction of the electrode rod, and the welding seams are uniformly distributed along the circumferential direction of the electrode rod;
in the step S2, the first weld (1), the fourth weld (4), the third weld (3), the sixth weld (6), the second weld (2), and the fifth weld (5) are welded in sequence, or the first weld (1), the fourth weld (4), the fifth weld (5), the second weld (2), the sixth weld (6), and the third weld (3) are welded in sequence.
2. The method for preparing the TC4 titanium alloy consumable electrode rod as claimed in claim 1, wherein in the step S2, the welding speed is 100-300 mm/min, the welding current is 300-600A, and the welding voltage is 40-70V.
3. The method for preparing the TC4 titanium alloy consumable electrode rod as claimed in claim 1, wherein in the step S1, the diameter of the electrode rod is phi 450-820 mm.
4. The method for preparing the TC4 titanium alloy consumable electrode rod as claimed in claim 1, wherein in the step S3, the electrode rod is cooled in a vacuum furnace for more than or equal to 1 hour and then discharged.
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| CN201811496146.4A CN109483030B (en) | 2018-12-07 | 2018-12-07 | Preparation method of TC4 titanium alloy consumable electrode rod |
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| CN109483030B true CN109483030B (en) | 2020-12-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6307178B1 (en) * | 1997-07-11 | 2001-10-23 | Ruhr Oel Gmbh | Method for welding shaped bodies made of carburized heat-resistant steel |
| CN102367523A (en) * | 2011-10-08 | 2012-03-07 | 中南大学 | Method for melting titanium alloy containing high-melting point alloy element |
| CN103495822A (en) * | 2013-09-27 | 2014-01-08 | 安徽维德精密机电设备有限公司 | Longitudinal joint automatic welding machine |
| CN103639656A (en) * | 2013-11-25 | 2014-03-19 | 宝鸡市守善管件有限公司 | Straight welding technology for 6 m titanium pipe with external diameter more than 76 mm |
| CN107619942A (en) * | 2017-10-26 | 2018-01-23 | 西部超导材料科技股份有限公司 | A kind of consumable electrode vacuum furnace titanium or titanium alloy electrode and preparation method thereof |
| CN108103329A (en) * | 2017-12-18 | 2018-06-01 | 西安赛特思迈钛业有限公司 | A kind of preparation method of TC26 titanium alloy smeltings consutrode |
-
2018
- 2018-12-07 CN CN201811496146.4A patent/CN109483030B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6307178B1 (en) * | 1997-07-11 | 2001-10-23 | Ruhr Oel Gmbh | Method for welding shaped bodies made of carburized heat-resistant steel |
| CN102367523A (en) * | 2011-10-08 | 2012-03-07 | 中南大学 | Method for melting titanium alloy containing high-melting point alloy element |
| CN103495822A (en) * | 2013-09-27 | 2014-01-08 | 安徽维德精密机电设备有限公司 | Longitudinal joint automatic welding machine |
| CN103639656A (en) * | 2013-11-25 | 2014-03-19 | 宝鸡市守善管件有限公司 | Straight welding technology for 6 m titanium pipe with external diameter more than 76 mm |
| CN107619942A (en) * | 2017-10-26 | 2018-01-23 | 西部超导材料科技股份有限公司 | A kind of consumable electrode vacuum furnace titanium or titanium alloy electrode and preparation method thereof |
| CN108103329A (en) * | 2017-12-18 | 2018-06-01 | 西安赛特思迈钛业有限公司 | A kind of preparation method of TC26 titanium alloy smeltings consutrode |
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Address after: 621700 floor 2, building 5173, Changgang plant, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Patentee after: Jiangyou branch of Panzhihua Titanium Material Co., Ltd. of Pangang Group Address before: 621709 2 / F, building 5173, Changgang plant, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Patentee before: JIANGYOU BRANCH OF ANSTEEL GROUP CHENGDU TITANIUM MATERIALS CO.,LTD. |
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Effective date of registration: 20220422 Address after: 621700 Jiangdong Road, Jiangyou City, Mianyang, Sichuan Patentee after: PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL Co.,Ltd. Address before: 621700 floor 2, building 5173, Changgang plant, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Patentee before: Jiangyou branch of Panzhihua Titanium Material Co., Ltd. of Pangang Group |
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